... factor to consider in the design of future CANDU ® CANDU is a registered trade-mark of Atomic Energy of Canada Limited (AECL). steam generators that are expected to operate for 60 years. These steam generators will be larger than previous CANDU steam generators, nearly twice the heat transfer area...

...Stanley Yokell This paper discusses factory and field pressure testing of tubular heat transfer equipment such as closed feedwater heaters, steam surface condensers, and power plant auxiliary heat exchangers built in accordance with Section VIII, Division 1 of the ASME Boiler and Pressure Vessel...

... , “ Computational Fluid Dynamics (CFD) Software Tools for Microfluidic Applications—A Case Study ,” Comput. Fluids 0045-7930 , 37 ( 3 ), pp. 218 – 235 . 10.1016/j.compfluid.2007.07.014 16 04 2010 16 10 2010 18 05 2011 18 05 2011 boilers failure (mechanical) heat transfer...

... are assumed to have convective heat transfer. 5 Thermal properties are considered as a function of temperature (Fig. 4 ) for aluminum alloy. 6 The temperature-dependent material properties are used for all calculations. Thermal conductivity in the mushy ( 580 – 650 ° C ) and liquid...

... thermal shock. The numerical results are obtained with the thermal-hydraulic tool Code̱Saturne , in combination with the thermal-solid code SYRTHES to take into account the coupled effect of heat transfer between the fluid flow and the vessel. Based on the global and local thermal-hydraulic analysis...

... temperatures based on the inner wall heat transfer coefficient. The temporal riser pipe pressure and the inner and outer pipe wall temperatures have been incorporated into an ANSYS model for calculating the effective combined thermal and pressure-caused stresses numerically. The combined effective stress...

...Avanish Mishra; Amer Hameed; Bryan Lawton An accurate modeling of gun barrel temperature variation over time is important to assess wear and the number of shot fires needed to reach cook-off. Using lumped parameter methods, an internal ballistics code was developed to compute heat transfer...

... process cycle. The thermal analysis model of the coke drum is first developed incorporating appropriate boundary conditions. The heat transfer coefficients at the inner surface of the coke drum, which change with the operation stages and the levels of oil filling and water quenching, are determined based...

... progressing along the circumferential weld path around the intersection during each pass. The effect of cooling rate on the final residual stress state, especially at critical areas where the peak residual stresses are located, was then investigated by applying different convective heat transfer coefficients...

... the transient temperature distributions in the wall of an actual PWR pressurizer surgeline with a complex geometry of three-dimensionally bent piping, three-dimensional transient computational fluid dynamics (CFD) calculations involving the conjugate heat transfer analysis are performed for the PWR pressurizer...

... stress and bolt bending stress. 02 07 2008 27 07 2009 08 10 2009 bending fasteners finite element analysis heat transfer thermal stresses The magnitude of bolt preload is varied when the bolted joint is subjected to thermal load. It is caused by the difference...

... of this paper is to investigate and understand the temperature distribution during EF welding. A one-dimensional transient heat-transfer model was proposed, taking the variation in the rate of power input, the phase transition of PE, and the thermal contact conductance between heating wire and PE...

... as thermal striping), whose temperature amplitude ( Δ T ) and angular velocity ( ω ) were constant. The heat transfer coefficient h was also assumed to be constant. The stress intensity factor (SIF) due to the thermal stress for a given cylinder configuration varies not only with these three parameters Δ T...

...Jong Chull Jo; Woong Sik Kim; Chang-Yong Choi; Yong Kab Lee This paper addresses the numerical simulation of two-phase flow heat transfer in the helically coiled tubes of an integral type pressurized water reactor steam generator under normal operation using a computational fluid dynamics code...

... production systems where hot pressurized liquid is used for heat transfer between the heat source and the steam generator, more complex and nonlinear mathematical models are needed to describe transient flow and these models cannot be solved with MOC method because the models are not constant. In addition...

... , M. , and Durst , F. , 2002 , “ Wall Effect on Heat Transfer From a Micro Cylinder in Near-Wall Shear Flow ,” Int. J. Heat Mass Transfer 0017...

... conditions are examined. The skirt design also employs a hot-box arrangement whereby the primary mode of heat transfer is by radiation. A discussion of the two-part analysis is included and details the interaction between the heat transfer analysis and the subsequent structural analysis. The heat transfer...

... the carbon steel from exposure to excessive temperatures. The temperature distribution in the steel tube-sheet–tube-ferrule system is affected by process gas flow and heat transfer through the assembly. Rather than depend on “assumed” heat transfer coefficients and fluid flow distribution, a computational...

...Stanley Yokell This paper describes new hitherto unused procedures that combine hydraulic and explosive expanding to produce tube-to-tubesheet joints in tubular heat transfer equipment with thick tubesheets. This paper also interprets shear load test results and microscopic examination of polished...

... of a finite volume method intended to simulate the heat transfer phenomena during the phase change process. Because of the mold design complexity, the finite volume is described using the generalized curvilinear formulation. Ferziger , J. H. , and Peric , M. , 1999 , Computational Methods...